/Engine/Source/Runtime/Experimental/Chaos/Public/RewindData.h
Query the state of joints from the past. Can only be used when not already resimming
[FJointState](API\Runtime\Chaos\FJointState) GetPastJointStateAtFrame ( const [FPBDJointConstraintHandle](API\Runtime\Chaos\Chaos\FPBDJointConstraintHandle) & Handle, int32 Frame, [FFrameAndPhase::EParticleHistoryPhase](API\Runtime\Chaos\FFrameAndPhase\EParticleHistoryPhase) Phase ) const